Solid-state laser and optical transmitter

Details Solid-state laser and optical transmitter Solid-state laser and optical transmitter

H - Electricity

01

S

H01S 5/00 (2006.01) H01S 3/06 (2006.01) H01S 3/0941 (2006.01) H01S 5/065 (2006.01) H04J 14/02 (2006.01) H01S 3/08 (2006.01) H01S 3/098 (2006.01)

Patent

CA 2319892

In the wavelength-division-multiplexed optical transmission, laser diodes of the number of multiplicity are disposed as a light source to configure a transmitter. However, since this method requires a large number of light sources and highly precise wavelength control, a cost and an apparatus are increased. An ultrashort pulse solid-state laser is used as the light source of the transmitter and its wide spectrum is taken out by a splitter to be assigned to each channel, so that the number of light sources can be reduced greatly. The transmitter requires high repetition rate such as 2.4 GHz, 10 HGz and the like as the repetition rate of the ultrashort pulse solid-state laser, while by configuring the resonator only by two components as shown in Fig. 1, the high repetition rate can be attained. Since each channel is produced passively from the splitter, very precise wavelength management is not required. The light source is made small and the number thereof is reduced. Consequently, the whole apparatus is made small and a cost thereof is also reduced.

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